An information leak vulnerability in the SMI Set BIOS Password SMI Handler in some Lenovo models may allow an attacker with local access and
An information leak vulnerability in the SMI Set BIOS Password SMI Handler in some Lenovo models may allow an attacker with local access and elevated privileges to read SMM memory.
- Published
- Jan 30, 2023
- Updated
- Jun 17, 2026
- EPSS
- 0.2% · 8th percentile
- CWE
- CWE-125
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Report tools
Action score
17
Monitor
Low priority for now.
- CVSS
- 17 / 40 · 4.4 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.2%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- 4.4
- CNA · lenovo
- 4.4
- agree
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| lenovo | ideacentre c5-14imb05 firmware | cpe:2.3:o:lenovo:ideacentre_c5-14imb05_firmware |
| lenovo | ideacentre c5-14imb05 | cpe:2.3:h:lenovo:ideacentre_c5-14imb05 |
| lenovo | thinkcentre e96z firmware | cpe:2.3:o:lenovo:thinkcentre_e96z_firmware |
| lenovo | thinkcentre e96z | cpe:2.3:h:lenovo:thinkcentre_e96z |
| lenovo | ideacentre 3 07iab7 firmware | cpe:2.3:o:lenovo:ideacentre_3_07iab7_firmware |
| lenovo | ideacentre 3 07iab7 | cpe:2.3:h:lenovo:ideacentre_3_07iab7 |
| lenovo | ideacentre 3-07imb05 firmware | cpe:2.3:o:lenovo:ideacentre_3-07imb05_firmware |
| lenovo | ideacentre 3-07imb05 | cpe:2.3:h:lenovo:ideacentre_3-07imb05 |
| lenovo | ideacentre 5 14iab7 firmware | cpe:2.3:o:lenovo:ideacentre_5_14iab7_firmware |
| lenovo | ideacentre 5 14iab7 | cpe:2.3:h:lenovo:ideacentre_5_14iab7 |
| lenovo | ideacentre 5-14acn6 firmware | cpe:2.3:o:lenovo:ideacentre_5-14acn6_firmware |
| lenovo | ideacentre 5-14acn6 | cpe:2.3:h:lenovo:ideacentre_5-14acn6 |
and 188 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- lenovo ideacentre 3 07iab7 firmwarem49kt1da
- lenovo ideacentre 3-07ada05 firmwareo4fkt29a
- lenovo ideacentre 3-07imb05 firmwarem2vkt1da
- lenovo ideacentre 5 14iab7 firmwarem42kt40a
- lenovo ideacentre 5-14acn6 firmwareo5ekt21a
- lenovo ideacentre 5-14are05 firmwareo4zkt29a
- lenovo ideacentre 5-14imb05 firmwareo4hkt38a
- lenovo ideacentre 5-14iob6 firmwarem3gkt33a
- lenovo ideacentre 510s-07icb firmwarem22kt47a
- lenovo ideacentre 510s-07icb firmwarem22kt48a
- lenovo ideacentre 510s-07ick firmwarem30kt26a
- lenovo ideacentre a340-22igm firmwareo51kt12a
- lenovo ideacentre a340-24igm firmwareo51kt12a
- lenovo ideacentre c5-14imb05 firmwareo4hkt38a
- lenovo ideacentre creator 5-14iob6 firmwarem3gkt33a
- lenovo ideacentre g5-14amr05 firmwareo4zkt29a
- lenovo ideacentre g5-14imb05 firmwareo4hkt38a
- lenovo ideacentre gaming 5 17acn7 firmwareo5ekt21a
- lenovo ideacentre gaming 5 17iab7 firmwarem42kt40a
- lenovo ideacentre gaming 5-14acn6 firmwareo5ekt21a
Versions reported by the vendor
Affected version ranges reported by the assigning authority (lenovo). Independent of NVD's CPE analysis and usually ahead of it.
Lenovo BIOS
- variousaffected
Same product
lenovo: all recordsOther highest-scoring records for the same primary product.
- CVE-2022-48181An ErrorMessage driver stack-based buffer overflow vulnerability in BIOS of some ThinkPad models could allow an attacker with local access t31Monitor
- CVE-2023-45079A memory leakage vulnerability was reported in the NvmramSmm SMM driver that may allow a local attacker with elevated privileges to write to26Monitor
- CVE-2023-45078A memory leakage vulnerability was reported in the DustFilterAlertSmm SMM driver that may allow a local attacker with elevated privileges to26Monitor
- CVE-2023-45077A memory leakage vulnerability was reported in the 534D0740 DXE driver that may allow a local attacker with elevated privileges to write to 26Monitor
- CVE-2023-45076A memory leakage vulnerability was reported in the 534D0140 DXE driver that may allow a local attacker with elevated privileges to write to 26Monitor
- CVE-2023-45075A memory leakage vulnerability was reported in the SWSMI_Shadow DXE driver that may allow a local attacker with elevated privileges to write26Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Someone with local access to the system can trigger it.
- Administrator privileges are required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- none
- Availability
- none
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- None
- Availability impact
- None
Weakness class (CWE)
CWE-125 · Out-of-bounds ReadCVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
ATT&CK techniques
—
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.